A mystery writer is intrigued by the tale of notorious criminal Dimitrios Makropolous, whose dead body was found washed up on the shore in Istanbul. He decides to follow the career of Dimitrios around Europe, in order to learn more about the man. Along the way he is joined by the mysterious Mr. Peters, who has his own motivation.

A devoted secretary embarks on a dangerous mission to try to find the elusive woman who may prove her boss didn't murder his wife.

After marrying her long lost love, a pianist finds the relationship threatened by a wealthy composer who is besotted with her.

When illegal casino owner Charley Kyng develops heart disease, he is advised by a doctor to spend more time with his family. However, he finds it difficult to keep his work separate from his life at home. His son, Paul, feels ashamed of Charley's career and gets into a fight at his prom because of it. Meanwhile, Charley's brother-in-law, Robbin, who works at the casino, begins fixing games due to his extreme gambling debts.

A photographer falls for a rich girl and gets mixed up with crooks.

An opportunistic Texas gambler and the exiled Creole daughter of an aristocratic family join forces to achieve justice from the society that has ostracized them.

After the King of Rovenia has been assassinated, Holmes and Watson are engaged to escort his son to Europe via Algiers, aboard a transatlantic ocean liner which also carries a number of suspicious persons, any of whom may be involved in a plot to also assassinate him.

George Stroud, a crime magazine's crusading editor, has to postpone a vacation with his wife - again - when a glamorous blonde is murdered and he is assigned by his publishing boss to find the killer. As the investigation proceeds to its conclusion, Stroud must try to disrupt his ordinarily brilliant investigative team as they increasingly build evidence that he is the killer.

Dozens of star and character-actor cameos and a message about the Variety Club (a show-business charity) are woven into a framework about two hopeful young ladies who come to Hollywood, exchange identities, and cause comic confusion (with slapstick interludes) throughout the Paramount studio.

Olsen and Johnson, a pair of stage comedians, try to turn their play into a movie and bring together a young couple in love, while breaking the fourth wall every step of the way.